| Llanelli to Indianola (Iowa) | 4,038.04 mi (6,498.60 km) |
| Llanelli to Indio (California) | 5,250.85 mi (8,450.42 km) |
| Llanelli to Inglewood (California) | 5,309.44 mi (8,544.71 km) |
| Llanelli to Inkster (Michigan) | 3,599.70 mi (5,793.16 km) |
| Llanelli to Inver Grove Heights (Minnesota) | 3,857.88 mi (6,208.66 km) |
| Llanelli to Inwood (New York) | 3,285.32 mi (5,287.22 km) |
| Llanelli to Iona (Florida) | 4,292.39 mi (6,907.94 km) |
| Llanelli to Ionia (Michigan) | 3,638.49 mi (5,855.58 km) |
| Llanelli to Iowa City (Iowa) | 3,947.14 mi (6,352.31 km) |
| Llanelli to Irmo (South Carolina) | 3,888.73 mi (6,258.31 km) |
| Llanelli to Irondale (Alabama) | 4,140.92 mi (6,664.17 km) |
| Llanelli to Ironton (Ohio) | 3,742.98 mi (6,023.74 km) |
| Llanelli to Irvine (California) | 5,306.06 mi (8,539.29 km) |
| Llanelli to Irving (Texas) | 4,588.48 mi (7,384.45 km) |
| Llanelli to Isabela (Puerto Rico) | 4,066.68 mi (6,544.69 km) |
